feat(json/jackson): 新增枚举接口序列化及反序列化配置

This commit is contained in:
2024-07-30 21:11:23 +08:00
parent b27fbd41eb
commit 32935fa4fa
4 changed files with 237 additions and 18 deletions

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@@ -17,6 +17,7 @@
package top.continew.starter.json.jackson.autoconfigure;
import cn.hutool.core.date.DatePattern;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
@@ -30,8 +31,12 @@ import org.springframework.boot.autoconfigure.AutoConfiguration;
import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.PropertySource;
import top.continew.starter.core.enums.BaseEnum;
import top.continew.starter.core.util.GeneralPropertySourceFactory;
import top.continew.starter.json.jackson.serializer.BaseEnumDeserializer;
import top.continew.starter.json.jackson.serializer.BaseEnumSerializer;
import top.continew.starter.json.jackson.serializer.BigNumberSerializer;
import top.continew.starter.json.jackson.serializer.SimpleDeserializersWrapper;
import java.math.BigInteger;
import java.time.LocalDate;
@@ -54,26 +59,53 @@ public class JacksonAutoConfiguration {
@Bean
public Jackson2ObjectMapperBuilderCustomizer jackson2ObjectMapperBuilderCustomizer() {
return builder -> {
// 针对大数值的序列化处理
JavaTimeModule javaTimeModule = new JavaTimeModule();
javaTimeModule.addSerializer(Long.class, BigNumberSerializer.SERIALIZER_INSTANCE);
javaTimeModule.addSerializer(Long.TYPE, BigNumberSerializer.SERIALIZER_INSTANCE);
javaTimeModule.addSerializer(BigInteger.class, BigNumberSerializer.SERIALIZER_INSTANCE);
// 针对时间类型LocalDateTime 的序列化和反序列化处理
DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(DatePattern.NORM_DATETIME_PATTERN);
javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(dateTimeFormatter));
javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(dateTimeFormatter));
// 针对时间类型LocalDate 的序列化和反序列化处理
DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(DatePattern.NORM_DATE_PATTERN);
javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer(dateFormatter));
javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(dateFormatter));
// 针对时间类型LocalTime 的序列化和反序列化处理
DateTimeFormatter timeFormatter = DateTimeFormatter.ofPattern(DatePattern.NORM_TIME_PATTERN);
javaTimeModule.addSerializer(LocalTime.class, new LocalTimeSerializer(timeFormatter));
javaTimeModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer(timeFormatter));
JavaTimeModule javaTimeModule = this.timeModule();
SimpleModule simpleModule = this.simpleModule();
builder.timeZone(TimeZone.getDefault());
builder.modules(javaTimeModule);
builder.modules(javaTimeModule, simpleModule);
log.debug("[ContiNew Starter] - Auto Configuration 'Jackson' completed initialization.");
};
}
/**
* 日期时间序列化及反序列化配置
*
* @return JavaTimeModule /
* @since 1.0.0
*/
private JavaTimeModule timeModule() {
// 针对大数值的序列化处理
JavaTimeModule javaTimeModule = new JavaTimeModule();
javaTimeModule.addSerializer(Long.class, BigNumberSerializer.SERIALIZER_INSTANCE);
javaTimeModule.addSerializer(Long.TYPE, BigNumberSerializer.SERIALIZER_INSTANCE);
javaTimeModule.addSerializer(BigInteger.class, BigNumberSerializer.SERIALIZER_INSTANCE);
// 针对时间类型LocalDateTime 的序列化和反序列化处理
DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(DatePattern.NORM_DATETIME_PATTERN);
javaTimeModule.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(dateTimeFormatter));
javaTimeModule.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(dateTimeFormatter));
// 针对时间类型LocalDate 的序列化和反序列化处理
DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(DatePattern.NORM_DATE_PATTERN);
javaTimeModule.addSerializer(LocalDate.class, new LocalDateSerializer(dateFormatter));
javaTimeModule.addDeserializer(LocalDate.class, new LocalDateDeserializer(dateFormatter));
// 针对时间类型LocalTime 的序列化和反序列化处理
DateTimeFormatter timeFormatter = DateTimeFormatter.ofPattern(DatePattern.NORM_TIME_PATTERN);
javaTimeModule.addSerializer(LocalTime.class, new LocalTimeSerializer(timeFormatter));
javaTimeModule.addDeserializer(LocalTime.class, new LocalTimeDeserializer(timeFormatter));
return javaTimeModule;
}
/**
* 枚举序列化及反序列化配置
*
* @return SimpleModule /
* @since 2.4.0
*/
private SimpleModule simpleModule() {
SimpleModule simpleModule = new SimpleModule();
simpleModule.addSerializer(BaseEnum.class, BaseEnumSerializer.SERIALIZER_INSTANCE);
SimpleDeserializersWrapper deserializers = new SimpleDeserializersWrapper();
deserializers.addDeserializer(BaseEnum.class, BaseEnumDeserializer.SERIALIZER_INSTANCE);
simpleModule.setDeserializers(deserializers);
return simpleModule;
}
}

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@@ -0,0 +1,76 @@
/*
* Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
* <p>
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package top.continew.starter.json.jackson.serializer;
import cn.hutool.core.util.ClassUtil;
import cn.hutool.core.util.ReflectUtil;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.annotation.JacksonStdImpl;
import top.continew.starter.core.enums.BaseEnum;
import java.io.IOException;
import java.lang.reflect.Field;
/**
* 枚举接口 BaseEnum 反序列化器
*
* @author Charles7c
* @see BaseEnum
* @since 2.4.0
*/
@JacksonStdImpl
public class BaseEnumDeserializer extends JsonDeserializer<BaseEnum> {
/**
* 静态实例
*/
public static final BaseEnumDeserializer SERIALIZER_INSTANCE = new BaseEnumDeserializer();
@Override
public BaseEnum deserialize(JsonParser jsonParser,
DeserializationContext deserializationContext) throws IOException {
Class<?> targetClass = jsonParser.getCurrentValue().getClass();
String fieldName = jsonParser.getCurrentName();
String value = jsonParser.getText();
return this.getEnum(targetClass, value, fieldName);
}
/**
* 通过某字段对应值获取枚举实例,获取不到时为 {@code null}
*
* @param targetClass 目标类型
* @param value 字段值
* @param fieldName 字段名
* @return 对应枚举实例 ,获取不到时为 {@code null}
*/
private BaseEnum getEnum(Class<?> targetClass, String value, String fieldName) {
Field field = ReflectUtil.getField(targetClass, fieldName);
Class<?> fieldTypeClass = field.getType();
Object[] enumConstants = fieldTypeClass.getEnumConstants();
for (Object enumConstant : enumConstants) {
if (ClassUtil.isAssignable(BaseEnum.class, fieldTypeClass)) {
BaseEnum baseEnum = (BaseEnum)enumConstant;
if (baseEnum.getValue().equals(Integer.valueOf(value))) {
return baseEnum;
}
}
}
return null;
}
}

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@@ -0,0 +1,46 @@
/*
* Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
* <p>
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package top.continew.starter.json.jackson.serializer;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.fasterxml.jackson.databind.annotation.JacksonStdImpl;
import top.continew.starter.core.enums.BaseEnum;
import java.io.IOException;
/**
* 枚举接口 BaseEnum 序列化器
*
* @author Charles7c
* @see BaseEnum
* @since 2.4.0
*/
@JacksonStdImpl
public class BaseEnumSerializer extends JsonSerializer<BaseEnum> {
/**
* 静态实例
*/
public static final BaseEnumSerializer SERIALIZER_INSTANCE = new BaseEnumSerializer();
@Override
public void serialize(BaseEnum value, JsonGenerator generator, SerializerProvider serializers) throws IOException {
generator.writeObject(value.getValue());
}
}

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@@ -0,0 +1,65 @@
/*
* Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
* <p>
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package top.continew.starter.json.jackson.serializer;
import com.fasterxml.jackson.databind.BeanDescription;
import com.fasterxml.jackson.databind.DeserializationConfig;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.module.SimpleDeserializers;
import com.fasterxml.jackson.databind.type.ClassKey;
/**
* 反序列化器包装类(重写 Jackson 反序列化枚举方法参阅FasterXML/jackson-databind#2842
*
* <p>
* 默认处理:<br>
* 1. Jackson 会先查找指定枚举类型对应的反序列化器例如GenderEnum 枚举类型,则是找 GenderEnum 枚举类型的对应反序列化器);<br>
* 2. 如果找不到则开始查找 Enum 类型(所有枚举父类)的反序列化器;<br>
* 3. 如果都找不到则会采用默认的枚举反序列化器(它仅能根据枚举类型的 name、ordinal 来进行反序列化)。
* </p>
* <p>
* 重写增强后:<br>
* 1. 同默认 1<br>
* 2. 同默认 2<br>
* 3. 如果也找不到 Enum 类型所有枚举父类的反序列化器开始查找指定枚举类型的接口的反序列化器例如GenderEnum 枚举类型,则是找它的接口 BaseEnum 的反序列化器);<br>
* 4. 同默认 3。
* </p>
*
* @author Charles7c
* @since 2.4.0
*/
public class SimpleDeserializersWrapper extends SimpleDeserializers {
@Override
public JsonDeserializer<?> findEnumDeserializer(Class<?> type,
DeserializationConfig config,
BeanDescription beanDesc) throws JsonMappingException {
JsonDeserializer<?> deser = super.findEnumDeserializer(type, config, beanDesc);
if (null != deser) {
return deser;
}
// 重写增强开始查找指定枚举类型的接口的反序列化器例如GenderEnum 枚举类型,则是找它的接口 BaseEnum 的反序列化器)
for (Class<?> typeInterface : type.getInterfaces()) {
deser = this._classMappings.get(new ClassKey(typeInterface));
if (null != deser) {
return deser;
}
}
return null;
}
}